34 11 519 Removing and installing/replacing left or right front brake caliper

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

REMOVE WHEEL .
Read and comply with GENERAL INFORMATION .

After completing repair work: BLEED BRAKE SYSTEM .

Press brake pedal down to floor and secure with pedal support.

NOTE:

The pedal support may only be released when the brake lines are reconnected.

This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Securing Brake Pedal Pressed Position With Pedal Support

G04754178

Courtesy of BMW OF NORTH AMERICA, INC.

Release retaining screw (1).

Installation note:

Tightening torque 34 32 2AZ .

If necessary, grip at knurling (2).

IMPORTANT: Never twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.

If necessary, remove BRAKE PAD WEAR SENSOR .

Fig 2: Identifying Knurling And Union Screw

G06889955

Courtesy of BMW OF NORTH AMERICA, INC.

Lever out retaining spring (1) in direction of arrow towards rear.

Installation note:

Place retaining spring (1) first at top and bottom of brake caliper and then allow to engage in recess (2) of brake caliper housing.

Fig 3: Removing Retaining Spring

G06889942

Courtesy of BMW OF NORTH AMERICA, INC.

Remove plastic plugs (1).

Fig 4: Identifying Plastic Plugs

G06889943

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew guide bolts (1).

Withdraw brake caliper backwards.

Installation note:

Only clean guide bolts; do not grease.

Check thread.

Replace all guide screws which are not in perfect condition.

Tightening torque 34 11 4AZ .

Fig 5: Identifying Brake Caliper Guide Bolts

G06889944

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Mark any worn brake pads.

Remove brake pads in direction of arrow.

In the event of one-sided brake pad wear, do not change brake pads round.

If necessary, clean BRAKE CALIPER AND BRAKE PAD .

Fig 6: Removing Brake Pads

G06889945

Courtesy of BMW OF NORTH AMERICA, INC.

Equipment specification, high-speed brake system.

IMPORTANT: Mark any worn brake pads.

Remove brake pads in direction of arrow.

In the event of one-sided brake pad wear, do not change brake pads round.

If necessary, clean BRAKE CALIPER AND BRAKE PAD .

Fig 7: Removing Brake Pads

G06889946

Courtesy of BMW OF NORTH AMERICA, INC.